Posted by **Kat** on Monday, February 4, 2008 at 12:19am.

Suppose that you got a score of X=78 on an English test for which the mean was (mu)=70 and the standard deviation was (lower case sigma)=10. Also, suppose that you got a scores of X=64 on a Spanish test with mean(mu)=50 and (lower case sigma)=7. For which test would you expect the better grade? Explain your answer.

(this is for a population)

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